Climate Overview
Sydney has a humid-subtropical climate with warm 27°C summers (Dec–Feb) and mild 18°C winters — no freezing nights, ever. Rain is moderate and autumn-skewed (152–195mm Feb–Mar). Humidity stays 66–78%. Sep–Nov (spring) and Mar–May (autumn) are the sweet spots for harbour walks and Bondi-to-Coogee coastline days.
Monthly Climate
Temperature range, rainfall, and humidity by month
Monthly Data
| Month | High | Low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 26.4° | 19.6° | 175mm | 78% |
| Feb | 26.9° | 19.9° | 63mm | 76% |
| Mar | 26.6° | 19.9° | 130mm | 77% |
| Apr | 24.5° | 16.3° | 131mm | 77% |
| May | 20.8° | 13.6° | 199mm | 79% |
| Jun | 17.8° | 8.2° | 13mm | 73% |
| Jul | 17.7° | 8.9° | 132mm | 71% |
| Aug | 17.9° | 10.3° | 307mm | 77% |
| Sep | 23° | 12.7° | 115mm | 64% |
| Oct | 26.1° | 15.6° | 23mm | 59% |
| Nov | 26° | 16.7° | 53mm | 63% |
| Dec | 27.2° | 17.9° | 26mm | 64% |
When to Visit
Experiences to seek out and peak periods to plan around
Experiences & Highlights
Two synchronised pyrotechnic shows (9pm family, midnight main) arc off the Harbour Bridge and barges near the Opera House; balmy 27°C evenings, but vantage points at Mrs Macquarie's Chair and Blues Point fill from early afternoon.
Three-week festival climaxing with the Parade up Oxford Street on Saturday 28 Feb 2026; warm 27°C evenings after late-summer humidity eases and before the March rain peak.
22 May – 13 Jun 2026: light installations along a 6.5km walk from Circular Quay to Darling Harbour, drone shows at Cockle Bay and music at the Opera House; crisp 15–21°C nights, pack a jacket.
Northbound pods pass the coast May–Aug; southbound mothers with calves linger Sep–Nov. Spot from North Head and Cape Solander, or board cruises from Circular Quay.
Peak Periods & Travel Advisories
School summer holidays plus NYE fireworks push harbour-view hotels 2–3x normal rates and sell out Opera House bars and Bondi loungers; book 3+ months ahead.
Wettest months (150–195mm) with ex-tropical lows and humid 76–78% days; storms are short but intense. Indoor options like the Art Gallery of NSW and QVB hold up well.
Circular Quay and Darling Harbour draw heavy foot traffic on Fri–Sat evenings; arrive before 6pm sunset or visit on a weeknight for easier ferry boarding and photos.
Official Resources
Government portals and tourism boards for Sydney, Australia